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1120212 = 223229237
BaseRepresentation
bin100010001011111010100
32002220122100
410101133110
5241321322
640002100
712343632
oct4213724
92086570
101120212
116a56a5
12460330
13302b62
14212352
15171dac
hex1117d4

1120212 has 54 divisors (see below), whose sum is σ = 3011918. Its totient is φ = 350784.

The previous prime is 1120211. The next prime is 1120219. The reversal of 1120212 is 2120211.

It can be written as a sum of positive squares in 3 ways, for example, as 404496 + 715716 = 636^2 + 846^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1120194 and 1120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30258 + ... + 30294.

21120212 is an apocalyptic number.

1120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505959).

1120212 is an abundant number, since it is smaller than the sum of its proper divisors (1891706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120212 is a wasteful number, since it uses less digits than its factorization.

1120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1120212 is about 1058.4006802719. The cubic root of 1120212 is about 103.8564340567.

Adding to 1120212 its reverse (2120211), we get a palindrome (3240423).

Subtracting 1120212 from its reverse (2120211), we obtain a palindrome (999999).

The spelling of 1120212 in words is "one million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 29 36 37 58 74 87 111 116 148 174 222 261 333 348 444 522 666 841 1044 1073 1332 1682 2146 2523 3219 3364 4292 5046 6438 7569 9657 10092 12876 15138 19314 30276 31117 38628 62234 93351 124468 186702 280053 373404 560106 1120212